Home / 864,007.60-1,296,205.80-508,838.80

Finding the Fourth Proportional to 864,007.60, 1,296,205.80 and 508,838.80

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Solution

The fourth proportional to 864,007.60, 1,296,205.80 and 508,838.80 is: 763,372.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,007.60 : 1,296,205.80 = 508,838.80 : x
  2. Step 2: Convert to fraction form
    864,007.60/1,296,205.80 = 508,838.80/x
  3. Step 3: Cross multiply
    864,007.60x = 1,296,205.80 × 508,838.80
  4. Step 4: Simplify right side
    864,007.60x = 659,559,803,825.04
  5. Step 5: Solve for x
    x = 659,559,803,825.04/864,007.60
  6. Step 6: Final answer
    x = 763,372.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.